diff --git a/sources b/sources
index 8853e40..f9df2f5 100644
--- a/sources
+++ b/sources
@@ -1 +1,2 @@
 c393603908eceab95444c5bde790f6f0  usb-modeswitch-1.2.5.tar.bz2
+9918bbdc0f68873410688604c80d25c4  device_reference.txt